Here is the full list of all 50 Just Cause 2 achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
Bonus for completing the game on extreme difficulty. Also gives you the bonus for hard and normal difficulties.
Complete 50 challenges.
Reach 75% completion in the normal mode or mercenary mode.
Reach 100% complete in 100 locations.
Complete 1000 sabotages.
Complete 49 faction missions.
Drive all 104 vehicles.
Assassinate 25 colonels.
Kill 5 enemies by smashing them with an object tethered to your vehicle with the grappling hook.
Kill 30 enemies by using the grappling hook and making them fall to their death.
Base jump 1000 meters.
Hijack 50 enemy vehicles.
Kill 50 enemies in a row with inventory weapons without losing health.
Collect 1000 resource items.
Kill 30 enemies while they're falling through the air.
Kill 30 enemies by mowing them down with vehicles.
Discover 100 locations.
Collect 150 faction items.
Fly an airplane under 30 unique bridges in Panau.
Kill 5 enemies by dragging them behind a vehicle with the grappling hook.
Complete 10 challenges.
Reach 50% completion in the normal mode or mercenary mode.
Bonus for completing the game on normal difficulty.
Bonus for completing the game on hard difficulty. Also gives you the bonus for normal difficulty.
Complete 9 stronghold takeovers.
Get 100 stunt driver points.
Complete story mission 7.
Kill 5 enemies with the melee attack while they're suspended with the grappling hook.
Fly an airplane close to the ground for 30 seconds.
Complete story mission 6.
Kill 50 enemies using melee attacks.
Kill 20 enemies in 60 seconds.
Kill 30 enemies while they're suspended in the air with the grappling hook.
Complete story mission 5.
Open the parachute and then land on foot 300 meters above the starting height.
Stand on foot at the highest point of Panau.
Travel 75 kilometers by land vehicle.
Kill 750 enemies.
Complete story mission 4.
Drive 30 different vehicles.
Reach 100% complete in 15 locations.
Complete 100 sabotages.
Complete story mission 3.
Collect 100 resource items.
Complete 3 stronghold takeovers.
Kill 50 enemies with headshots.
Destroy 30 objects in 60 seconds.
Complete story mission 2.
Complete story mission 1.
Cause chaos for the first time.